/**
* amdgpu_info_ioctl - answer a device specific request.
*
* @adev: amdgpu device pointer
* @data: request object
* @filp: drm filp
*
* This function is used to pass device specific parameters to the userspace
* drivers. Examples include: pci device id, pipeline parms, tiling params,
* etc. (all asics).
* Returns 0 on success, -EINVAL on failure.
*/
static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
struct amdgpu_device *adev = dev->dev_private;
struct drm_amdgpu_info *info = data;
struct amdgpu_mode_info *minfo = &adev->mode_info;
void __user *out = (void __user *)(long)info->return_pointer;
uint32_t size = info->return_size;
struct drm_crtc *crtc;
uint32_t ui32 = 0;
uint64_t ui64 = 0;
int i, found;
if (!info->return_size || !info->return_pointer)
return -EINVAL;
switch (info->query) {
case AMDGPU_INFO_ACCEL_WORKING:
ui32 = adev->accel_working;
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
case AMDGPU_INFO_CRTC_FROM_ID:
for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
crtc = (struct drm_crtc *)minfo->crtcs[i];
if (crtc && crtc->base.id == info->mode_crtc.id) {
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
ui32 = amdgpu_crtc->crtc_id;
found = 1;
break;
}
}
if (!found) {
DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
return -EINVAL;
}
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
case AMDGPU_INFO_HW_IP_INFO: {
struct drm_amdgpu_info_hw_ip ip = {};
enum amd_ip_block_type type;
uint32_t ring_mask = 0;
uint32_t ib_start_alignment = 0;
uint32_t ib_size_alignment = 0;
if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
return -EINVAL;
switch (info->query_hw_ip.type) {
case AMDGPU_HW_IP_GFX:
type = AMD_IP_BLOCK_TYPE_GFX;
for (i = 0; i < adev->gfx.num_gfx_rings; i++)
ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i);
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 8;
break;
case AMDGPU_HW_IP_COMPUTE:
type = AMD_IP_BLOCK_TYPE_GFX;
for (i = 0; i < adev->gfx.num_compute_rings; i++)
ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i);
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 8;
break;
case AMDGPU_HW_IP_DMA:
type = AMD_IP_BLOCK_TYPE_SDMA;
for (i = 0; i < adev->sdma.num_instances; i++)
ring_mask |= ((adev->sdma.instance[i].ring.ready ? 1 : 0) << i);
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 1;
break;
case AMDGPU_HW_IP_UVD:
type = AMD_IP_BLOCK_TYPE_UVD;
ring_mask = adev->uvd.ring.ready ? 1 : 0;
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 8;
break;
case AMDGPU_HW_IP_VCE:
type = AMD_IP_BLOCK_TYPE_VCE;
for (i = 0; i < AMDGPU_MAX_VCE_RINGS; i++)
ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 8;
break;
default:
return -EINVAL;
}
for (i = 0; i < adev->num_ip_blocks; i++) {
if (adev->ip_blocks[i].type == type &&
adev->ip_block_status[i].valid) {
ip.hw_ip_version_major = adev->ip_blocks[i].major;
ip.hw_ip_version_minor = adev->ip_blocks[i].minor;
ip.capabilities_flags = 0;
ip.available_rings = ring_mask;
ip.ib_start_alignment = ib_start_alignment;
ip.ib_size_alignment = ib_size_alignment;
break;
}
}
return copy_to_user(out, &ip,
min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
}
case AMDGPU_INFO_HW_IP_COUNT: {
enum amd_ip_block_type type;
uint32_t count = 0;
switch (info->query_hw_ip.type) {
case AMDGPU_HW_IP_GFX:
type = AMD_IP_BLOCK_TYPE_GFX;
break;
case AMDGPU_HW_IP_COMPUTE:
type = AMD_IP_BLOCK_TYPE_GFX;
break;
case AMDGPU_HW_IP_DMA:
type = AMD_IP_BLOCK_TYPE_SDMA;
break;
case AMDGPU_HW_IP_UVD:
type = AMD_IP_BLOCK_TYPE_UVD;
break;
case AMDGPU_HW_IP_VCE:
type = AMD_IP_BLOCK_TYPE_VCE;
break;
default:
return -EINVAL;
}
for (i = 0; i < adev->num_ip_blocks; i++)
if (adev->ip_blocks[i].type == type &&
adev->ip_block_status[i].valid &&
count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
count++;
return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
}
case AMDGPU_INFO_TIMESTAMP:
ui64 = amdgpu_asic_get_gpu_clock_counter(adev);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_FW_VERSION: {
struct drm_amdgpu_info_firmware fw_info;
/* We only support one instance of each IP block right now. */
if (info->query_fw.ip_instance != 0)
return -EINVAL;
switch (info->query_fw.fw_type) {
case AMDGPU_INFO_FW_VCE:
fw_info.ver = adev->vce.fw_version;
fw_info.feature = adev->vce.fb_version;
break;
case AMDGPU_INFO_FW_UVD:
fw_info.ver = adev->uvd.fw_version;
fw_info.feature = 0;
break;
case AMDGPU_INFO_FW_GMC:
fw_info.ver = adev->mc.fw_version;
fw_info.feature = 0;
break;
case AMDGPU_INFO_FW_GFX_ME:
fw_info.ver = adev->gfx.me_fw_version;
fw_info.feature = adev->gfx.me_feature_version;
break;
case AMDGPU_INFO_FW_GFX_PFP:
fw_info.ver = adev->gfx.pfp_fw_version;
fw_info.feature = adev->gfx.pfp_feature_version;
break;
case AMDGPU_INFO_FW_GFX_CE:
fw_info.ver = adev->gfx.ce_fw_version;
fw_info.feature = adev->gfx.ce_feature_version;
break;
case AMDGPU_INFO_FW_GFX_RLC:
fw_info.ver = adev->gfx.rlc_fw_version;
fw_info.feature = adev->gfx.rlc_feature_version;
break;
case AMDGPU_INFO_FW_GFX_MEC:
if (info->query_fw.index == 0) {
fw_info.ver = adev->gfx.mec_fw_version;
fw_info.feature = adev->gfx.mec_feature_version;
} else if (info->query_fw.index == 1) {
fw_info.ver = adev->gfx.mec2_fw_version;
fw_info.feature = adev->gfx.mec2_feature_version;
} else
return -EINVAL;
break;
case AMDGPU_INFO_FW_SMC:
fw_info.ver = adev->pm.fw_version;
fw_info.feature = 0;
break;
case AMDGPU_INFO_FW_SDMA:
if (info->query_fw.index >= adev->sdma.num_instances)
return -EINVAL;
fw_info.ver = adev->sdma.instance[info->query_fw.index].fw_version;
fw_info.feature = adev->sdma.instance[info->query_fw.index].feature_version;
break;
default:
return -EINVAL;
}
return copy_to_user(out, &fw_info,
min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
}
case AMDGPU_INFO_NUM_BYTES_MOVED:
ui64 = atomic64_read(&adev->num_bytes_moved);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_VRAM_USAGE:
ui64 = atomic64_read(&adev->vram_usage);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_VIS_VRAM_USAGE:
ui64 = atomic64_read(&adev->vram_vis_usage);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_GTT_USAGE:
ui64 = atomic64_read(&adev->gtt_usage);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_GDS_CONFIG: {
struct drm_amdgpu_info_gds gds_info;
memset(&gds_info, 0, sizeof(gds_info));
gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
return copy_to_user(out, &gds_info,
min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
}
case AMDGPU_INFO_VRAM_GTT: {
struct drm_amdgpu_info_vram_gtt vram_gtt;
vram_gtt.vram_size = adev->mc.real_vram_size;
vram_gtt.vram_size -= adev->vram_pin_size;
vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size;
vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
vram_gtt.gtt_size = adev->mc.gtt_size;
vram_gtt.gtt_size -= adev->gart_pin_size;
return copy_to_user(out, &vram_gtt,
min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
}
case AMDGPU_INFO_READ_MMR_REG: {
unsigned n, alloc_size;
uint32_t *regs;
unsigned se_num = (info->read_mmr_reg.instance >>
AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
AMDGPU_INFO_MMR_SE_INDEX_MASK;
unsigned sh_num = (info->read_mmr_reg.instance >>
AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
AMDGPU_INFO_MMR_SH_INDEX_MASK;
/* set full masks if the userspace set all bits
* in the bitfields */
if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
se_num = 0xffffffff;
if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
sh_num = 0xffffffff;
regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
if (!regs)
return -ENOMEM;
alloc_size = info->read_mmr_reg.count * sizeof(*regs);
for (i = 0; i < info->read_mmr_reg.count; i++)
if (amdgpu_asic_read_register(adev, se_num, sh_num,
info->read_mmr_reg.dword_offset + i,
®s[i])) {
DRM_DEBUG_KMS("unallowed offset %#x\n",
info->read_mmr_reg.dword_offset + i);
kfree(regs);
return -EFAULT;
}
n = copy_to_user(out, regs, min(size, alloc_size));
kfree(regs);
return n ? -EFAULT : 0;
}
case AMDGPU_INFO_DEV_INFO: {
struct drm_amdgpu_info_device dev_info = {};
dev_info.device_id = dev->pdev->device;
dev_info.chip_rev = adev->rev_id;
dev_info.external_rev = adev->external_rev_id;
dev_info.pci_rev = dev->pdev->revision;
dev_info.family = adev->family;
dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
/* return all clocks in KHz */
dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
if (adev->pm.dpm_enabled) {
dev_info.max_engine_clock =
adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10;
dev_info.max_memory_clock =
adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk * 10;
} else {
dev_info.max_engine_clock = adev->pm.default_sclk * 10;
dev_info.max_memory_clock = adev->pm.default_mclk * 10;
}
dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
adev->gfx.config.max_shader_engines;
dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
dev_info._pad = 0;
dev_info.ids_flags = 0;
if (adev->flags & AMD_IS_APU)
dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
dev_info.pte_fragment_size = (1 << AMDGPU_LOG2_PAGES_PER_FRAG) *
AMDGPU_GPU_PAGE_SIZE;
dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
dev_info.cu_active_number = adev->gfx.cu_info.number;
dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
dev_info.ce_ram_size = adev->gfx.ce_ram_size;
memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
sizeof(adev->gfx.cu_info.bitmap));
dev_info.vram_type = adev->mc.vram_type;
dev_info.vram_bit_width = adev->mc.vram_width;
dev_info.vce_harvest_config = adev->vce.harvest_config;
return copy_to_user(out, &dev_info,
min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
}
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->query);
return -EINVAL;
}
return 0;
}
/**
* amdgpu_info_ioctl - answer a device specific request.
*
* @adev: amdgpu device pointer
* @data: request object
* @filp: drm filp
*
* This function is used to pass device specific parameters to the userspace
* drivers. Examples include: pci device id, pipeline parms, tiling params,
* etc. (all asics).
* Returns 0 on success, -EINVAL on failure.
*/
static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
struct amdgpu_device *adev = dev->dev_private;
struct drm_amdgpu_info *info = data;
struct amdgpu_mode_info *minfo = &adev->mode_info;
void __user *out = (void __user *)(uintptr_t)info->return_pointer;
uint32_t size = info->return_size;
struct drm_crtc *crtc;
uint32_t ui32 = 0;
uint64_t ui64 = 0;
int i, found;
int ui32_size = sizeof(ui32);
if (!info->return_size || !info->return_pointer)
return -EINVAL;
switch (info->query) {
case AMDGPU_INFO_ACCEL_WORKING:
ui32 = adev->accel_working;
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
case AMDGPU_INFO_CRTC_FROM_ID:
for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
crtc = (struct drm_crtc *)minfo->crtcs[i];
if (crtc && crtc->base.id == info->mode_crtc.id) {
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
ui32 = amdgpu_crtc->crtc_id;
found = 1;
break;
}
}
if (!found) {
DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
return -EINVAL;
}
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
case AMDGPU_INFO_HW_IP_INFO: {
struct drm_amdgpu_info_hw_ip ip = {};
enum amd_ip_block_type type;
uint32_t ring_mask = 0;
uint32_t ib_start_alignment = 0;
uint32_t ib_size_alignment = 0;
if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
return -EINVAL;
switch (info->query_hw_ip.type) {
case AMDGPU_HW_IP_GFX:
type = AMD_IP_BLOCK_TYPE_GFX;
for (i = 0; i < adev->gfx.num_gfx_rings; i++)
ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i);
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 8;
break;
case AMDGPU_HW_IP_COMPUTE:
type = AMD_IP_BLOCK_TYPE_GFX;
for (i = 0; i < adev->gfx.num_compute_rings; i++)
ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i);
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 8;
break;
case AMDGPU_HW_IP_DMA:
type = AMD_IP_BLOCK_TYPE_SDMA;
for (i = 0; i < adev->sdma.num_instances; i++)
ring_mask |= ((adev->sdma.instance[i].ring.ready ? 1 : 0) << i);
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 1;
break;
case AMDGPU_HW_IP_UVD:
type = AMD_IP_BLOCK_TYPE_UVD;
ring_mask = adev->uvd.ring.ready ? 1 : 0;
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 16;
break;
case AMDGPU_HW_IP_VCE:
type = AMD_IP_BLOCK_TYPE_VCE;
for (i = 0; i < adev->vce.num_rings; i++)
ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 1;
break;
case AMDGPU_HW_IP_UVD_ENC:
type = AMD_IP_BLOCK_TYPE_UVD;
for (i = 0; i < adev->uvd.num_enc_rings; i++)
ring_mask |= ((adev->uvd.ring_enc[i].ready ? 1 : 0) << i);
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 1;
break;
case AMDGPU_HW_IP_VCN_DEC:
type = AMD_IP_BLOCK_TYPE_VCN;
ring_mask = adev->vcn.ring_dec.ready ? 1 : 0;
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 16;
break;
case AMDGPU_HW_IP_VCN_ENC:
type = AMD_IP_BLOCK_TYPE_VCN;
for (i = 0; i < adev->vcn.num_enc_rings; i++)
ring_mask |= ((adev->vcn.ring_enc[i].ready ? 1 : 0) << i);
ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
ib_size_alignment = 1;
break;
default:
return -EINVAL;
}
for (i = 0; i < adev->num_ip_blocks; i++) {
if (adev->ip_blocks[i].version->type == type &&
adev->ip_blocks[i].status.valid) {
ip.hw_ip_version_major = adev->ip_blocks[i].version->major;
ip.hw_ip_version_minor = adev->ip_blocks[i].version->minor;
ip.capabilities_flags = 0;
ip.available_rings = ring_mask;
ip.ib_start_alignment = ib_start_alignment;
ip.ib_size_alignment = ib_size_alignment;
break;
}
}
return copy_to_user(out, &ip,
min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
}
case AMDGPU_INFO_HW_IP_COUNT: {
enum amd_ip_block_type type;
uint32_t count = 0;
switch (info->query_hw_ip.type) {
case AMDGPU_HW_IP_GFX:
type = AMD_IP_BLOCK_TYPE_GFX;
break;
case AMDGPU_HW_IP_COMPUTE:
type = AMD_IP_BLOCK_TYPE_GFX;
break;
case AMDGPU_HW_IP_DMA:
type = AMD_IP_BLOCK_TYPE_SDMA;
break;
case AMDGPU_HW_IP_UVD:
type = AMD_IP_BLOCK_TYPE_UVD;
break;
case AMDGPU_HW_IP_VCE:
type = AMD_IP_BLOCK_TYPE_VCE;
break;
case AMDGPU_HW_IP_UVD_ENC:
type = AMD_IP_BLOCK_TYPE_UVD;
break;
case AMDGPU_HW_IP_VCN_DEC:
case AMDGPU_HW_IP_VCN_ENC:
type = AMD_IP_BLOCK_TYPE_VCN;
break;
default:
return -EINVAL;
}
for (i = 0; i < adev->num_ip_blocks; i++)
if (adev->ip_blocks[i].version->type == type &&
adev->ip_blocks[i].status.valid &&
count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
count++;
return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
}
case AMDGPU_INFO_TIMESTAMP:
ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_FW_VERSION: {
struct drm_amdgpu_info_firmware fw_info;
int ret;
/* We only support one instance of each IP block right now. */
if (info->query_fw.ip_instance != 0)
return -EINVAL;
ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
if (ret)
return ret;
return copy_to_user(out, &fw_info,
min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
}
case AMDGPU_INFO_NUM_BYTES_MOVED:
ui64 = atomic64_read(&adev->num_bytes_moved);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_NUM_EVICTIONS:
ui64 = atomic64_read(&adev->num_evictions);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_VRAM_USAGE:
ui64 = amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_VIS_VRAM_USAGE:
ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_GTT_USAGE:
ui64 = amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_GDS_CONFIG: {
struct drm_amdgpu_info_gds gds_info;
memset(&gds_info, 0, sizeof(gds_info));
gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
return copy_to_user(out, &gds_info,
min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
}
case AMDGPU_INFO_VRAM_GTT: {
struct drm_amdgpu_info_vram_gtt vram_gtt;
vram_gtt.vram_size = adev->mc.real_vram_size;
vram_gtt.vram_size -= adev->vram_pin_size;
vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size;
vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
vram_gtt.gtt_size = adev->mman.bdev.man[TTM_PL_TT].size;
vram_gtt.gtt_size *= PAGE_SIZE;
vram_gtt.gtt_size -= adev->gart_pin_size;
return copy_to_user(out, &vram_gtt,
min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
}
case AMDGPU_INFO_MEMORY: {
struct drm_amdgpu_memory_info mem;
memset(&mem, 0, sizeof(mem));
mem.vram.total_heap_size = adev->mc.real_vram_size;
mem.vram.usable_heap_size =
adev->mc.real_vram_size - adev->vram_pin_size;
mem.vram.heap_usage =
amdgpu_vram_mgr_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
mem.cpu_accessible_vram.total_heap_size =
adev->mc.visible_vram_size;
mem.cpu_accessible_vram.usable_heap_size =
adev->mc.visible_vram_size -
(adev->vram_pin_size - adev->invisible_pin_size);
mem.cpu_accessible_vram.heap_usage =
amdgpu_vram_mgr_vis_usage(&adev->mman.bdev.man[TTM_PL_VRAM]);
mem.cpu_accessible_vram.max_allocation =
mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
mem.gtt.total_heap_size = adev->mman.bdev.man[TTM_PL_TT].size;
mem.gtt.total_heap_size *= PAGE_SIZE;
mem.gtt.usable_heap_size = mem.gtt.total_heap_size
- adev->gart_pin_size;
mem.gtt.heap_usage =
amdgpu_gtt_mgr_usage(&adev->mman.bdev.man[TTM_PL_TT]);
mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
return copy_to_user(out, &mem,
min((size_t)size, sizeof(mem)))
? -EFAULT : 0;
}
case AMDGPU_INFO_READ_MMR_REG: {
unsigned n, alloc_size;
uint32_t *regs;
unsigned se_num = (info->read_mmr_reg.instance >>
AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
AMDGPU_INFO_MMR_SE_INDEX_MASK;
unsigned sh_num = (info->read_mmr_reg.instance >>
AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
AMDGPU_INFO_MMR_SH_INDEX_MASK;
/* set full masks if the userspace set all bits
* in the bitfields */
if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
se_num = 0xffffffff;
if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
sh_num = 0xffffffff;
regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
if (!regs)
return -ENOMEM;
alloc_size = info->read_mmr_reg.count * sizeof(*regs);
for (i = 0; i < info->read_mmr_reg.count; i++)
if (amdgpu_asic_read_register(adev, se_num, sh_num,
info->read_mmr_reg.dword_offset + i,
®s[i])) {
DRM_DEBUG_KMS("unallowed offset %#x\n",
info->read_mmr_reg.dword_offset + i);
kfree(regs);
return -EFAULT;
}
n = copy_to_user(out, regs, min(size, alloc_size));
kfree(regs);
return n ? -EFAULT : 0;
}
case AMDGPU_INFO_DEV_INFO: {
struct drm_amdgpu_info_device dev_info = {};
dev_info.device_id = dev->pdev->device;
dev_info.chip_rev = adev->rev_id;
dev_info.external_rev = adev->external_rev_id;
dev_info.pci_rev = dev->pdev->revision;
dev_info.family = adev->family;
dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
/* return all clocks in KHz */
dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
if (adev->pm.dpm_enabled) {
dev_info.max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
dev_info.max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
} else {
dev_info.max_engine_clock = adev->clock.default_sclk * 10;
dev_info.max_memory_clock = adev->clock.default_mclk * 10;
}
dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
adev->gfx.config.max_shader_engines;
dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
dev_info._pad = 0;
dev_info.ids_flags = 0;
if (adev->flags & AMD_IS_APU)
dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
if (amdgpu_sriov_vf(adev))
dev_info.ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
dev_info.pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
dev_info.cu_active_number = adev->gfx.cu_info.number;
dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
dev_info.ce_ram_size = adev->gfx.ce_ram_size;
memcpy(&dev_info.cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
sizeof(adev->gfx.cu_info.ao_cu_bitmap));
memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
sizeof(adev->gfx.cu_info.bitmap));
dev_info.vram_type = adev->mc.vram_type;
dev_info.vram_bit_width = adev->mc.vram_width;
dev_info.vce_harvest_config = adev->vce.harvest_config;
dev_info.gc_double_offchip_lds_buf =
adev->gfx.config.double_offchip_lds_buf;
if (amdgpu_ngg) {
dev_info.prim_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PRIM].gpu_addr;
dev_info.prim_buf_size = adev->gfx.ngg.buf[NGG_PRIM].size;
dev_info.pos_buf_gpu_addr = adev->gfx.ngg.buf[NGG_POS].gpu_addr;
dev_info.pos_buf_size = adev->gfx.ngg.buf[NGG_POS].size;
dev_info.cntl_sb_buf_gpu_addr = adev->gfx.ngg.buf[NGG_CNTL].gpu_addr;
dev_info.cntl_sb_buf_size = adev->gfx.ngg.buf[NGG_CNTL].size;
dev_info.param_buf_gpu_addr = adev->gfx.ngg.buf[NGG_PARAM].gpu_addr;
dev_info.param_buf_size = adev->gfx.ngg.buf[NGG_PARAM].size;
}
dev_info.wave_front_size = adev->gfx.cu_info.wave_front_size;
dev_info.num_shader_visible_vgprs = adev->gfx.config.max_gprs;
dev_info.num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
dev_info.num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
dev_info.gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
dev_info.gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
dev_info.max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
return copy_to_user(out, &dev_info,
min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
}
case AMDGPU_INFO_VCE_CLOCK_TABLE: {
unsigned i;
struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
struct amd_vce_state *vce_state;
for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
if (vce_state) {
vce_clk_table.entries[i].sclk = vce_state->sclk;
vce_clk_table.entries[i].mclk = vce_state->mclk;
vce_clk_table.entries[i].eclk = vce_state->evclk;
vce_clk_table.num_valid_entries++;
}
}
return copy_to_user(out, &vce_clk_table,
min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
}
case AMDGPU_INFO_VBIOS: {
uint32_t bios_size = adev->bios_size;
switch (info->vbios_info.type) {
case AMDGPU_INFO_VBIOS_SIZE:
return copy_to_user(out, &bios_size,
min((size_t)size, sizeof(bios_size)))
? -EFAULT : 0;
case AMDGPU_INFO_VBIOS_IMAGE: {
uint8_t *bios;
uint32_t bios_offset = info->vbios_info.offset;
if (bios_offset >= bios_size)
return -EINVAL;
bios = adev->bios + bios_offset;
return copy_to_user(out, bios,
min((size_t)size, (size_t)(bios_size - bios_offset)))
? -EFAULT : 0;
}
default:
DRM_DEBUG_KMS("Invalid request %d\n",
info->vbios_info.type);
return -EINVAL;
}
}
case AMDGPU_INFO_NUM_HANDLES: {
struct drm_amdgpu_info_num_handles handle;
switch (info->query_hw_ip.type) {
case AMDGPU_HW_IP_UVD:
/* Starting Polaris, we support unlimited UVD handles */
if (adev->asic_type < CHIP_POLARIS10) {
handle.uvd_max_handles = adev->uvd.max_handles;
handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
return copy_to_user(out, &handle,
min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
} else {
return -ENODATA;
}
break;
default:
return -EINVAL;
}
}
case AMDGPU_INFO_SENSOR: {
struct pp_gpu_power query = {0};
int query_size = sizeof(query);
if (amdgpu_dpm == 0)
return -ENOENT;
switch (info->sensor_info.type) {
case AMDGPU_INFO_SENSOR_GFX_SCLK:
/* get sclk in Mhz */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GFX_SCLK,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 /= 100;
break;
case AMDGPU_INFO_SENSOR_GFX_MCLK:
/* get mclk in Mhz */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GFX_MCLK,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 /= 100;
break;
case AMDGPU_INFO_SENSOR_GPU_TEMP:
/* get temperature in millidegrees C */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GPU_TEMP,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
break;
case AMDGPU_INFO_SENSOR_GPU_LOAD:
/* get GPU load */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GPU_LOAD,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
break;
case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
/* get average GPU power */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GPU_POWER,
(void *)&query, &query_size)) {
return -EINVAL;
}
ui32 = query.average_gpu_power >> 8;
break;
case AMDGPU_INFO_SENSOR_VDDNB:
/* get VDDNB in millivolts */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_VDDNB,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
break;
case AMDGPU_INFO_SENSOR_VDDGFX:
/* get VDDGFX in millivolts */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_VDDGFX,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
break;
default:
DRM_DEBUG_KMS("Invalid request %d\n",
info->sensor_info.type);
return -EINVAL;
}
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
}
case AMDGPU_INFO_VRAM_LOST_COUNTER:
ui32 = atomic_read(&adev->vram_lost_counter);
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->query);
return -EINVAL;
}
return 0;
}